1. In the Inspector, click the Appearance 
tab.
You can change the appearance of tab controls and slide controls and objects on panels in Layout mode. In addition, you can format:
•display states for individual tab panels (see Specifying the display state for an object)
•components of slide controls (the slide control area, slide panels, and the dots)
1. In the Inspector, click the Appearance tab.
•To format a display state for a tab panel: Choose from the object state list (near the top of the tab).
•To format a component of a slide control: Choose Slide Control, Slide Control: Panels, or Slide Control: Dots from the object type list (near the top of the tab).
2. Then:
To | Do this |
Change the fill of the frontmost tab, the area of a slide control below the slide panels, or objects on a tab panel or slide panel | In Layout mode, select the tab control, slide control, or objects to change. (See Selecting and working with objects on panel controls.) In the Appearance Tip To apply the same fill to all tabs on a tab control, drag the arrow pointer to make a selection box that surrounds the tab control, then apply a fill. |
Change the style and color of the border around a panel control | Select the tab control or slide control, then: •In the Appearance •Or, choose Line options in the formatting bar. If you don't see the formatting bar, click Formatting For more information, see Setting the fill, line style, borders, shadows, and padding. |
Change the shape of the corners of a tab control or slide control | Select the tab control or slide control. In the Appearance |
Place all tabs on tab panels to the far left, center, or far right, or spread them across the tab panels | Double-click the tab control. In the Tab Control Setup dialog box, choose from Tab Justification. |
Change the format of a tab panel's name | Select a tab control, then: •In the Appearance •Or, use the text options in the formatting bar. If you don't see the formatting bar, click Formatting Text options for a tab panel's name apply to all panels. See Formatting text. |
Change the width of all tabs in a tab control | Double-click the tab control. In the Tab Control Setup dialog box, choose from Tab Width. For Label Width + Margin of, Minimum of, or Fixed Width of, choose Inches, Centimeters, or Points, then enter a value. |
Change the fill or the color and style of the border around slide control dots | Select the slide control, then: •In the Appearance •Or, choose Line options in the formatting bar. If you don't see the formatting bar, click Formatting |
Add outer shadows to a tab control or slide control | Select the tab control or slide control. In the Advanced Graphic area of the Appearance |
Add inner shadows to slide panels | Select the slide control. In the Appearance |
Adjust the padding of a tab control or slide control to change its dimensions | Select the tab control or slide control. In the Advanced Graphic area of the Appearance |
•You can't change the fill or border of individual slide panels.
•You can't apply outer shadows to slide panels or inner shadows to tab controls or slide control dots.
in the 
to change shadow effects.